1. 12 May, 2014 1 commit
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  4. 19 Apr, 2014 1 commit
    • Adrien BAK's avatar
      perf tools: Improve error reporting · ffa91880
      Adrien BAK authored
      In the current version, when using perf record, if something goes
      wrong in tools/perf/builtin-record.c:375
        session = perf_session__new(file, false, NULL);
      
      The error message:
      "Not enough memory for reading per file header"
      
      is issued. This error message seems to be outdated and is not very
      helpful. This patch proposes to replace this error message by
      "Perf session creation failed"
      
      I believe this issue has been brought to lkml:
      https://lkml.org/lkml/2014/2/24/458
      although this patch only tackles a (small) part of the issue.
      
      Additionnaly, this patch improves error reporting in
      tools/perf/util/data.c open_file_write.
      
      Currently, if the call to open fails, the user is unaware of it.
      This patch logs the error, before returning the error code to
      the caller.
      Reported-by: default avatarWill Deacon <will.deacon@arm.com>
      Signed-off-by: default avatarAdrien BAK <adrien.bak@metascale.org>
      Link: http://lkml.kernel.org/r/1397786443.3093.4.camel@beast
      [ Reorganize the changelog into paragraphs ]
      [ Added empty line after fd declaration in open_file_write ]
      Signed-off-by: default avatarJiri Olsa <jolsa@redhat.com>
      ffa91880